document.write( "Question 736971: Have a 10% concentrate and need a .5% solution. How much water do I need to add to one fluid ounce of concentrate? \n" ); document.write( "
Algebra.Com's Answer #450121 by checkley79(3341)\"\" \"About 
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.10*1=.005(1+X)
\n" ); document.write( ".10=.005+.005X
\n" ); document.write( "-.005X=.005-.10
\n" ); document.write( "-.005X=-.095
\n" ); document.write( "X=-.095/-.005
\n" ); document.write( "X=19 OZ. OF WATER IS USED.
\n" ); document.write( "PROOF:
\n" ); document.write( ".10*1=.005(1+19)
\n" ); document.write( ".10=.005*20
\n" ); document.write( ".1=.1
\n" ); document.write( "
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